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24-03-2017
Mathematics

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Hides is calculating the standard deviation of a data set that has 7 values . He determines that the sum of the squared deviations is 103.

What is the standard deviation of the data set?

(Round to the nearest tenth)

Respuesta :

24-03-2017

standard deviation is the square root of the variance (which is the average of the sum of squared deviations)...

sd=(103/7)^(1/2)=3.836 (to the nearest thousandth)

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